S
M
T
W
T
F
S
26
73°
53°
27
70°
50°
28
70°
59°
29
72°
60°
30
74°
56°
1
69°
57°
2
66°
49°
3
66°
52°
4
72°
56°
5
77°
64°
6
77°
60°
7
73°
59°
8
74°
57°
9
73°
60°
10
77°
59°
11
73°
57°
12
74°
62°
13
78°
64°
14
81°
63°
15
75°
62°
16
73°
57°
17
72°
57°
18
74°
58°
19
75°
63°
20
79°
65°
21
81°
65°
22
79°
64°
23
76°
63°
24
77°
65°
25
79°
66°
26
82°
65°
27
78°
64°
28
77°
62°
29
76°
64°
30
77°
64°
31
77°
66°
1
78°
68°
2
78°
69°
3
79°
69°
4
79°
68°
5
80°
69°
6
79°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Seaside
Seaside's May 2026 forecast shows daily high temperatures ranging from 66° to 82°, with overnight lows between 49° and 69°. The average high for May is 76° with an average low of 62°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Seaside. See also: June | July | August.
